脱口说英语口语校园习语大全
A-19:at it 明知故犯
A:Tom is late again. A: 汤姆又迟到了。
B: He's at it again,isn't he? B:他明知故犯,不是吗?
A: You should give him a lesson. A: 你应该给他点儿教训。
B: But he's only a tartar. B:但他是个难对付的人。